This patch updates the initialisation routine for the BCMRING platform
so that it registers its PMU IRQ with the PMU framework in the Kernel.
Acked-by: NLeo Chen <leochen@broadcom.com>
Signed-off-by: NWill Deacon <will.deacon@arm.com>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>